Protocols, ports, and connections
The Ethernet protocols supported by your device allow simultaneous connections through the IP
service ports.
By enabling or disabling TCP/IP protocols, you can control whether your meter accepts new
socket connection requests. Changing settings for one port does not impact the other existing
connections. Depending on the protocol, you can also change the port number.
NOTE: Some protocol port numbers are read-only and not configurable.
Protocol Port (default) Number of connections
ION (ION over TCP) 7700 8
1
Secure ION (ION over TLS) 7443 8
1
Modbus TCP
2
502 8
1
Modbus RTU over Ethernet
2
7701 8
1
DNP 20000 8
1
DLMS 4059 8
1
Modbus TCP (dedicated)
2
502 32
EtherGate (Com1) 7801 1
EtherGate (Com4) 7802 1
DHCP 67 (68) 1
SFTP 22 2
Webserver (HTTPS)
3
443 10
SNMP 161 N/A
SMTP server (email) outgoing only 25 1
NTP 123 1
IEC 61850 102 5
Protocol, ports, and connections
1
– These eight simultaneous connections are shared by ION, Secure ION, Modbus TCP, Modbus
RTU over Ethernet, DLMS and DNP. You can have a maximum of three DNP connections. You
can have a maximum of one DLMS connection.
2
– These protocols must be enabled for Modbus gateway functionality.
3
– These are used for the meter’s webpages.
Self-discovery over Ethernet
Your meter supports Devices Profile for Web Services (DPWS) which allows for self-discovery of
the meter when it is connected to your local area network.
9810 series - User manual Communications
7EN05-0390-08 72
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